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    <title>h2norm</title>
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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>h2norm</b> -  H2 norm</p>
    <h3>
      <font color="blue">Calling Sequence</font>
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        <tt>[n]=h2norm(Sl [,tol])  </tt>
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      <font color="blue">Parameters</font>
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      <li>
        <tt>
          <b>Sl</b>
        </tt>: linear system (<tt>
          <b>syslin</b>
        </tt> list)</li>
      <li>
        <tt>
          <b>n</b>
        </tt>: real scalar</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
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    <p>
    produces the H2 norm  of a linear continuous time system <tt>
        <b>Sl</b>
      </tt>.</p>
    <p>
    (For <tt>
        <b>Sl</b>
      </tt> in state-space form <tt>
        <b>h2norm</b>
      </tt> uses the observability
    gramian and for <tt>
        <b>Sl</b>
      </tt> in transfer form <tt>
        <b>h2norm</b>
      </tt> uses a residue method)</p>
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